Finding the Fourth Proportional to 42,728,616.76, 58,965,411.18 and 23,149,991.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,728,616.76 : 58,965,411.18 = 23,149,991.74 : x
2. Step 2: Convert to fraction form
   42,728,616.76/58,965,411.18 = 23,149,991.74/x
3. Step 3: Cross multiply
   42,728,616.76x = 58,965,411.18 × 23,149,991.74
4. Step 4: Simplify right side
   42,728,616.76x = 1,365,048,781,762,703.50
5. Step 5: Solve for x
   x = 1,365,048,781,762,703.50/42,728,616.76
6. Step 6: Final answer
   x = 31,946,945.29