Finding the Fourth Proportional to 99,406.86, 149,203.71 and 52,055.94

Step by Step Solution

1. Step 1: Write the proportion equation
   99,406.86 : 149,203.71 = 52,055.94 : x
2. Step 2: Convert to fraction form
   99,406.86/149,203.71 = 52,055.94/x
3. Step 3: Cross multiply
   99,406.86x = 149,203.71 × 52,055.94
4. Step 4: Simplify right side
   99,406.86x = 7,766,939,375.54
5. Step 5: Solve for x
   x = 7,766,939,375.54/99,406.86
6. Step 6: Final answer
   x = 78,132.83