Finding the Fourth Proportional to 120,002,671.15, 180,002,694.52 and 29,126,260.15

Step by Step Solution

1. Step 1: Write the proportion equation
   120,002,671.15 : 180,002,694.52 = 29,126,260.15 : x
2. Step 2: Convert to fraction form
   120,002,671.15/180,002,694.52 = 29,126,260.15/x
3. Step 3: Cross multiply
   120,002,671.15x = 180,002,694.52 × 29,126,260.15
4. Step 4: Simplify right side
   120,002,671.15x = 5,242,805,308,290,499
5. Step 5: Solve for x
   x = 5,242,805,308,290,499/120,002,671.15
6. Step 6: Final answer
   x = 43,689,071.74