Finding the Fourth Proportional to 61,762,146, 92,643,221.88 and 42,312,192.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,762,146 : 92,643,221.88 = 42,312,192.72 : x
2. Step 2: Convert to fraction form
   61,762,146/92,643,221.88 = 42,312,192.72/x
3. Step 3: Cross multiply
   61,762,146x = 92,643,221.88 × 42,312,192.72
4. Step 4: Simplify right side
   61,762,146x = 3,919,937,858,388,280.50
5. Step 5: Solve for x
   x = 3,919,937,858,388,280.50/61,762,146
6. Step 6: Final answer
   x = 63,468,291.05