Finding the Fourth Proportional to 62,881.49, 86,774.72 and 34,587.20

Step by Step Solution

1. Step 1: Write the proportion equation
   62,881.49 : 86,774.72 = 34,587.20 : x
2. Step 2: Convert to fraction form
   62,881.49/86,774.72 = 34,587.20/x
3. Step 3: Cross multiply
   62,881.49x = 86,774.72 × 34,587.20
4. Step 4: Simplify right side
   62,881.49x = 3,001,293,988.77
5. Step 5: Solve for x
   x = 3,001,293,988.77/62,881.49
6. Step 6: Final answer
   x = 47,729.38