Finding the Fourth Proportional to 90,681,638.82, 136,041,780.37 and 29,274,287.37

Step by Step Solution

1. Step 1: Write the proportion equation
   90,681,638.82 : 136,041,780.37 = 29,274,287.37 : x
2. Step 2: Convert to fraction form
   90,681,638.82/136,041,780.37 = 29,274,287.37/x
3. Step 3: Cross multiply
   90,681,638.82x = 136,041,780.37 × 29,274,287.37
4. Step 4: Simplify right side
   90,681,638.82x = 3,982,526,172,124,410.50
5. Step 5: Solve for x
   x = 3,982,526,172,124,410.50/90,681,638.82
6. Step 6: Final answer
   x = 43,917,668.72