Finding the Fourth Proportional to 42,196.38, 63,211.08 and 34,307.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,196.38 : 63,211.08 = 34,307.70 : x
2. Step 2: Convert to fraction form
   42,196.38/63,211.08 = 34,307.70/x
3. Step 3: Cross multiply
   42,196.38x = 63,211.08 × 34,307.70
4. Step 4: Simplify right side
   42,196.38x = 2,168,626,769.32
5. Step 5: Solve for x
   x = 2,168,626,769.32/42,196.38
6. Step 6: Final answer
   x = 51,393.67