Finding the Fourth Proportional to 147,904.90, 221,814.15 and 53,124.10

Step by Step Solution

1. Step 1: Write the proportion equation
   147,904.90 : 221,814.15 = 53,124.10 : x
2. Step 2: Convert to fraction form
   147,904.90/221,814.15 = 53,124.10/x
3. Step 3: Cross multiply
   147,904.90x = 221,814.15 × 53,124.10
4. Step 4: Simplify right side
   147,904.90x = 11,783,677,086.02
5. Step 5: Solve for x
   x = 11,783,677,086.02/147,904.90
6. Step 6: Final answer
   x = 79,670.63