Finding the Fourth Proportional to 93,196.32, 139,925.16 and 88,997.28

Step by Step Solution

1. Step 1: Write the proportion equation
   93,196.32 : 139,925.16 = 88,997.28 : x
2. Step 2: Convert to fraction form
   93,196.32/139,925.16 = 88,997.28/x
3. Step 3: Cross multiply
   93,196.32x = 139,925.16 × 88,997.28
4. Step 4: Simplify right side
   93,196.32x = 12,452,958,643.56
5. Step 5: Solve for x
   x = 12,452,958,643.56/93,196.32
6. Step 6: Final answer
   x = 133,620.71