Finding the Fourth Proportional to 53,392,019.55, 80,087,448.06 and 40,517,233.94

Step by Step Solution

1. Step 1: Write the proportion equation
   53,392,019.55 : 80,087,448.06 = 40,517,233.94 : x
2. Step 2: Convert to fraction form
   53,392,019.55/80,087,448.06 = 40,517,233.94/x
3. Step 3: Cross multiply
   53,392,019.55x = 80,087,448.06 × 40,517,233.94
4. Step 4: Simplify right side
   53,392,019.55x = 3,244,921,868,304,182
5. Step 5: Solve for x
   x = 3,244,921,868,304,182/53,392,019.55
6. Step 6: Final answer
   x = 60,775,409.80