Finding the Fourth Proportional to 42,688,838.58, 58,910,615.46 and 23,109,726.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688,838.58 : 58,910,615.46 = 23,109,726.48 : x
2. Step 2: Convert to fraction form
   42,688,838.58/58,910,615.46 = 23,109,726.48/x
3. Step 3: Cross multiply
   42,688,838.58x = 58,910,615.46 × 23,109,726.48
4. Step 4: Simplify right side
   42,688,838.58x = 1,361,408,210,049,059.50
5. Step 5: Solve for x
   x = 1,361,408,210,049,059.50/42,688,838.58
6. Step 6: Final answer
   x = 31,891,432.41