Finding the Fourth Proportional to 52,695,629.50, 72,719,968.71 and 28,578,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,695,629.50 : 72,719,968.71 = 28,578,381.50 : x
2. Step 2: Convert to fraction form
   52,695,629.50/72,719,968.71 = 28,578,381.50/x
3. Step 3: Cross multiply
   52,695,629.50x = 72,719,968.71 × 28,578,381.50
4. Step 4: Simplify right side
   52,695,629.50x = 2,078,219,008,462,442.75
5. Step 5: Solve for x
   x = 2,078,219,008,462,442.75/52,695,629.50
6. Step 6: Final answer
   x = 39,438,166.47