Finding the Fourth Proportional to 9,980,638.20, 14,971,501.89 and 3,156,701.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980,638.20 : 14,971,501.89 = 3,156,701.76 : x
2. Step 2: Convert to fraction form
   9,980,638.20/14,971,501.89 = 3,156,701.76/x
3. Step 3: Cross multiply
   9,980,638.20x = 14,971,501.89 × 3,156,701.76
4. Step 4: Simplify right side
   9,980,638.20x = 47,260,566,366,006.33
5. Step 5: Solve for x
   x = 47,260,566,366,006.33/9,980,638.20
6. Step 6: Final answer
   x = 4,735,224.88