Finding the Fourth Proportional to 91,300.95, 125,511.57 and 78,507.27

Step by Step Solution

1. Step 1: Write the proportion equation
   91,300.95 : 125,511.57 = 78,507.27 : x
2. Step 2: Convert to fraction form
   91,300.95/125,511.57 = 78,507.27/x
3. Step 3: Cross multiply
   91,300.95x = 125,511.57 × 78,507.27
4. Step 4: Simplify right side
   91,300.95x = 9,853,570,714.11
5. Step 5: Solve for x
   x = 9,853,570,714.11/91,300.95
6. Step 6: Final answer
   x = 107,924.08