Finding the Fourth Proportional to 62,978.34, 86,910.93 and 34,686.12

Step by Step Solution

1. Step 1: Write the proportion equation
   62,978.34 : 86,910.93 = 34,686.12 : x
2. Step 2: Convert to fraction form
   62,978.34/86,910.93 = 34,686.12/x
3. Step 3: Cross multiply
   62,978.34x = 86,910.93 × 34,686.12
4. Step 4: Simplify right side
   62,978.34x = 3,014,602,947.29
5. Step 5: Solve for x
   x = 3,014,602,947.29/62,978.34
6. Step 6: Final answer
   x = 47,867.30