Finding the Fourth Proportional to 42,688,528.47, 58,910,156.69 and 23,109,402.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688,528.47 : 58,910,156.69 = 23,109,402.33 : x
2. Step 2: Convert to fraction form
   42,688,528.47/58,910,156.69 = 23,109,402.33/x
3. Step 3: Cross multiply
   42,688,528.47x = 58,910,156.69 × 23,109,402.33
4. Step 4: Simplify right side
   42,688,528.47x = 1,361,378,512,157,004
5. Step 5: Solve for x
   x = 1,361,378,512,157,004/42,688,528.47
6. Step 6: Final answer
   x = 31,890,968.39