Finding the Fourth Proportional to 134,978.68, 186,267.01 and 74,548.02

Step by Step Solution

1. Step 1: Write the proportion equation
   134,978.68 : 186,267.01 = 74,548.02 : x
2. Step 2: Convert to fraction form
   134,978.68/186,267.01 = 74,548.02/x
3. Step 3: Cross multiply
   134,978.68x = 186,267.01 × 74,548.02
4. Step 4: Simplify right side
   134,978.68x = 13,885,836,786.82
5. Step 5: Solve for x
   x = 13,885,836,786.82/134,978.68
6. Step 6: Final answer
   x = 102,874.30