Finding the Fourth Proportional to 109,034.57, 163,484.89 and 42,397.03

Step by Step Solution

1. Step 1: Write the proportion equation
   109,034.57 : 163,484.89 = 42,397.03 : x
2. Step 2: Convert to fraction form
   109,034.57/163,484.89 = 42,397.03/x
3. Step 3: Cross multiply
   109,034.57x = 163,484.89 × 42,397.03
4. Step 4: Simplify right side
   109,034.57x = 6,931,272,975.25
5. Step 5: Solve for x
   x = 6,931,272,975.25/109,034.57
6. Step 6: Final answer
   x = 63,569.50