Finding the Fourth Proportional to 2,319,433,952.72, 3,200,819,378.28 and 1,276,392,416.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319,433,952.72 : 3,200,819,378.28 = 1,276,392,416.72 : x
2. Step 2: Convert to fraction form
   2,319,433,952.72/3,200,819,378.28 = 1,276,392,416.72/x
3. Step 3: Cross multiply
   2,319,433,952.72x = 3,200,819,378.28 × 1,276,392,416.72
4. Step 4: Simplify right side
   2,319,433,952.72x = 4,085,501,581,727,017,472
5. Step 5: Solve for x
   x = 4,085,501,581,727,017,472/2,319,433,952.72
6. Step 6: Final answer
   x = 1,761,421,823.17