Finding the Fourth Proportional to 91,341.90, 137,082.24 and 73,615.86

Step by Step Solution

1. Step 1: Write the proportion equation
   91,341.90 : 137,082.24 = 73,615.86 : x
2. Step 2: Convert to fraction form
   91,341.90/137,082.24 = 73,615.86/x
3. Step 3: Cross multiply
   91,341.90x = 137,082.24 × 73,615.86
4. Step 4: Simplify right side
   91,341.90x = 10,091,426,988.33
5. Step 5: Solve for x
   x = 10,091,426,988.33/91,341.90
6. Step 6: Final answer
   x = 110,479.71