Finding the Fourth Proportional to 61,762,144, 92,643,218.88 and 42,312,190.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,762,144 : 92,643,218.88 = 42,312,190.72 : x
2. Step 2: Convert to fraction form
   61,762,144/92,643,218.88 = 42,312,190.72/x
3. Step 3: Cross multiply
   61,762,144x = 92,643,218.88 × 42,312,190.72
4. Step 4: Simplify right side
   61,762,144x = 3,919,937,546,165,264.50
5. Step 5: Solve for x
   x = 3,919,937,546,165,264.50/61,762,144
6. Step 6: Final answer
   x = 63,468,288.05