Finding the Fourth Proportional to 62,913, 86,820.54 and 34,619.31

Step by Step Solution

1. Step 1: Write the proportion equation
   62,913 : 86,820.54 = 34,619.31 : x
2. Step 2: Convert to fraction form
   62,913/86,820.54 = 34,619.31/x
3. Step 3: Cross multiply
   62,913x = 86,820.54 × 34,619.31
4. Step 4: Simplify right side
   62,913x = 3,005,667,188.63
5. Step 5: Solve for x
   x = 3,005,667,188.63/62,913
6. Step 6: Final answer
   x = 47,774.98