Finding the Fourth Proportional to 64,238.34, 88,590.02 and 55,160.62

Step by Step Solution

1. Step 1: Write the proportion equation
   64,238.34 : 88,590.02 = 55,160.62 : x
2. Step 2: Convert to fraction form
   64,238.34/88,590.02 = 55,160.62/x
3. Step 3: Cross multiply
   64,238.34x = 88,590.02 × 55,160.62
4. Step 4: Simplify right side
   64,238.34x = 4,886,680,429.01
5. Step 5: Solve for x
   x = 4,886,680,429.01/64,238.34
6. Step 6: Final answer
   x = 76,071.09