Finding the Fourth Proportional to 118,080.15, 177,158.52 and 70,687.86

Step by Step Solution

1. Step 1: Write the proportion equation
   118,080.15 : 177,158.52 = 70,687.86 : x
2. Step 2: Convert to fraction form
   118,080.15/177,158.52 = 70,687.86/x
3. Step 3: Cross multiply
   118,080.15x = 177,158.52 × 70,687.86
4. Step 4: Simplify right side
   118,080.15x = 12,522,956,659.57
5. Step 5: Solve for x
   x = 12,522,956,659.57/118,080.15
6. Step 6: Final answer
   x = 106,054.72