Finding the Fourth Proportional to 147,953.27, 221,985.77 and 88,830.15

Step by Step Solution

1. Step 1: Write the proportion equation
   147,953.27 : 221,985.77 = 88,830.15 : x
2. Step 2: Convert to fraction form
   147,953.27/221,985.77 = 88,830.15/x
3. Step 3: Cross multiply
   147,953.27x = 221,985.77 × 88,830.15
4. Step 4: Simplify right side
   147,953.27x = 19,719,028,802.81
5. Step 5: Solve for x
   x = 19,719,028,802.81/147,953.27
6. Step 6: Final answer
   x = 133,278.77