Finding the Fourth Proportional to 42,688,623.07, 58,910,318.90 and 23,109,510.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688,623.07 : 58,910,318.90 = 23,109,510.79 : x
2. Step 2: Convert to fraction form
   42,688,623.07/58,910,318.90 = 23,109,510.79/x
3. Step 3: Cross multiply
   42,688,623.07x = 58,910,318.90 × 23,109,510.79
4. Step 4: Simplify right side
   42,688,623.07x = 1,361,388,650,261,890.75
5. Step 5: Solve for x
   x = 1,361,388,650,261,890.75/42,688,623.07
6. Step 6: Final answer
   x = 31,891,135.21