Finding the Fourth Proportional to 62,820.30, 88,181.70 and 62,820.30

Step by Step Solution

1. Step 1: Write the proportion equation
   62,820.30 : 88,181.70 = 62,820.30 : x
2. Step 2: Convert to fraction form
   62,820.30/88,181.70 = 62,820.30/x
3. Step 3: Cross multiply
   62,820.30x = 88,181.70 × 62,820.30
4. Step 4: Simplify right side
   62,820.30x = 5,539,600,848.51
5. Step 5: Solve for x
   x = 5,539,600,848.51/62,820.30
6. Step 6: Final answer
   x = 88,181.70