Finding the Fourth Proportional to 148,071.78, 222,103.98 and 69,274.17

Step by Step Solution

1. Step 1: Write the proportion equation
   148,071.78 : 222,103.98 = 69,274.17 : x
2. Step 2: Convert to fraction form
   148,071.78/222,103.98 = 69,274.17/x
3. Step 3: Cross multiply
   148,071.78x = 222,103.98 × 69,274.17
4. Step 4: Simplify right side
   148,071.78x = 15,386,068,868.20
5. Step 5: Solve for x
   x = 15,386,068,868.20/148,071.78
6. Step 6: Final answer
   x = 103,909.53