Finding the Fourth Proportional to 42,688,429.88, 58,910,020.77 and 23,109,303.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,688,429.88 : 58,910,020.77 = 23,109,303.74 : x
2. Step 2: Convert to fraction form
   42,688,429.88/58,910,020.77 = 23,109,303.74/x
3. Step 3: Cross multiply
   42,688,429.88x = 58,910,020.77 × 23,109,303.74
4. Step 4: Simplify right side
   42,688,429.88x = 1,361,369,563,303,638.75
5. Step 5: Solve for x
   x = 1,361,369,563,303,638.75/42,688,429.88
6. Step 6: Final answer
   x = 31,890,832.41