Finding the Fourth Proportional to 99,192.67, 136,847.25 and 56,162.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,192.67 : 136,847.25 = 56,162.25 : x
2. Step 2: Convert to fraction form
   99,192.67/136,847.25 = 56,162.25/x
3. Step 3: Cross multiply
   99,192.67x = 136,847.25 × 56,162.25
4. Step 4: Simplify right side
   99,192.67x = 7,685,649,038.32
5. Step 5: Solve for x
   x = 7,685,649,038.32/99,192.67
6. Step 6: Final answer
   x = 77,482.03