Finding the Fourth Proportional to 89,840.52, 134,848.43 and 74,204.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,840.52 : 134,848.43 = 74,204.84 : x
2. Step 2: Convert to fraction form
   89,840.52/134,848.43 = 74,204.84/x
3. Step 3: Cross multiply
   89,840.52x = 134,848.43 × 74,204.84
4. Step 4: Simplify right side
   89,840.52x = 10,006,406,416.77
5. Step 5: Solve for x
   x = 10,006,406,416.77/89,840.52
6. Step 6: Final answer
   x = 111,379.65