Finding the Fourth Proportional to 52,302,762.86, 72,178,477.02 and 28,784,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,302,762.86 : 72,178,477.02 = 28,784,007.50 : x
2. Step 2: Convert to fraction form
   52,302,762.86/72,178,477.02 = 28,784,007.50/x
3. Step 3: Cross multiply
   52,302,762.86x = 72,178,477.02 × 28,784,007.50
4. Step 4: Simplify right side
   52,302,762.86x = 2,077,585,823,521,365.25
5. Step 5: Solve for x
   x = 2,077,585,823,521,365.25/52,302,762.86
6. Step 6: Final answer
   x = 39,722,295.92