Finding the Fourth Proportional to 42,688,436.93, 58,910,030.54 and 23,109,310.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688,436.93 : 58,910,030.54 = 23,109,310.79 : x
2. Step 2: Convert to fraction form
   42,688,436.93/58,910,030.54 = 23,109,310.79/x
3. Step 3: Cross multiply
   42,688,436.93x = 58,910,030.54 × 23,109,310.79
4. Step 4: Simplify right side
   42,688,436.93x = 1,361,370,204,515,640
5. Step 5: Solve for x
   x = 1,361,370,204,515,640/42,688,436.93
6. Step 6: Final answer
   x = 31,890,842.17