Finding the Fourth Proportional to 42,688,485.28, 58,910,097 and 23,109,359.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688,485.28 : 58,910,097 = 23,109,359.28 : x
2. Step 2: Convert to fraction form
   42,688,485.28/58,910,097 = 23,109,359.28/x
3. Step 3: Cross multiply
   42,688,485.28x = 58,910,097 × 23,109,359.28
4. Step 4: Simplify right side
   42,688,485.28x = 1,361,374,596,792,650.25
5. Step 5: Solve for x
   x = 1,361,374,596,792,650.25/42,688,485.28
6. Step 6: Final answer
   x = 31,890,908.94