Finding the Fourth Proportional to 62,780.98, 86,637.82 and 34,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,780.98 : 86,637.82 = 34,488.50 : x
2. Step 2: Convert to fraction form
   62,780.98/86,637.82 = 34,488.50/x
3. Step 3: Cross multiply
   62,780.98x = 86,637.82 × 34,488.50
4. Step 4: Simplify right side
   62,780.98x = 2,988,008,455.07
5. Step 5: Solve for x
   x = 2,988,008,455.07/62,780.98
6. Step 6: Final answer
   x = 47,594.17