Finding the Fourth Proportional to 147,700.82, 221,623.53 and 91,525.91

Step by Step Solution

1. Step 1: Write the proportion equation
   147,700.82 : 221,623.53 = 91,525.91 : x
2. Step 2: Convert to fraction form
   147,700.82/221,623.53 = 91,525.91/x
3. Step 3: Cross multiply
   147,700.82x = 221,623.53 × 91,525.91
4. Step 4: Simplify right side
   147,700.82x = 20,284,293,809.32
5. Step 5: Solve for x
   x = 20,284,293,809.32/147,700.82
6. Step 6: Final answer
   x = 137,333.66