Finding the Fourth Proportional to 98,910.56, 136,496.52 and 56,468.24

Step by Step Solution

1. Step 1: Write the proportion equation
   98,910.56 : 136,496.52 = 56,468.24 : x
2. Step 2: Convert to fraction form
   98,910.56/136,496.52 = 56,468.24/x
3. Step 3: Cross multiply
   98,910.56x = 136,496.52 × 56,468.24
4. Step 4: Simplify right side
   98,910.56x = 7,707,718,250.52
5. Step 5: Solve for x
   x = 7,707,718,250.52/98,910.56
6. Step 6: Final answer
   x = 77,926.14