Finding the Fourth Proportional to 147,596.31, 221,459.27 and 77,459.22

Step by Step Solution

1. Step 1: Write the proportion equation
   147,596.31 : 221,459.27 = 77,459.22 : x
2. Step 2: Convert to fraction form
   147,596.31/221,459.27 = 77,459.22/x
3. Step 3: Cross multiply
   147,596.31x = 221,459.27 × 77,459.22
4. Step 4: Simplify right side
   147,596.31x = 17,154,061,928.67
5. Step 5: Solve for x
   x = 17,154,061,928.67/147,596.31
6. Step 6: Final answer
   x = 116,222.84