Finding the Fourth Proportional to 89,061.76, 133,607.16 and 42,298.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,061.76 : 133,607.16 = 42,298.84 : x
2. Step 2: Convert to fraction form
   89,061.76/133,607.16 = 42,298.84/x
3. Step 3: Cross multiply
   89,061.76x = 133,607.16 × 42,298.84
4. Step 4: Simplify right side
   89,061.76x = 5,651,427,883.69
5. Step 5: Solve for x
   x = 5,651,427,883.69/89,061.76
6. Step 6: Final answer
   x = 63,455.16