Finding the Fourth Proportional to 99,068.50, 136,714.52 and 56,627.94

Step by Step Solution

1. Step 1: Write the proportion equation
   99,068.50 : 136,714.52 = 56,627.94 : x
2. Step 2: Convert to fraction form
   99,068.50/136,714.52 = 56,627.94/x
3. Step 3: Cross multiply
   99,068.50x = 136,714.52 × 56,627.94
4. Step 4: Simplify right side
   99,068.50x = 7,741,861,971.41
5. Step 5: Solve for x
   x = 7,741,861,971.41/99,068.50
6. Step 6: Final answer
   x = 78,146.55