Finding the Fourth Proportional to 88,712, 122,422.64 and 48,968

Step by Step Solution

1. Step 1: Write the proportion equation
   88,712 : 122,422.64 = 48,968 : x
2. Step 2: Convert to fraction form
   88,712/122,422.64 = 48,968/x
3. Step 3: Cross multiply
   88,712x = 122,422.64 × 48,968
4. Step 4: Simplify right side
   88,712x = 5,994,791,835.52
5. Step 5: Solve for x
   x = 5,994,791,835.52/88,712
6. Step 6: Final answer
   x = 67,575.88