Finding the Fourth Proportional to 89,200.06, 122,977.00 and 70,864.01

Step by Step Solution

1. Step 1: Write the proportion equation
   89,200.06 : 122,977.00 = 70,864.01 : x
2. Step 2: Convert to fraction form
   89,200.06/122,977.00 = 70,864.01/x
3. Step 3: Cross multiply
   89,200.06x = 122,977.00 × 70,864.01
4. Step 4: Simplify right side
   89,200.06x = 8,714,642,654.31
5. Step 5: Solve for x
   x = 8,714,642,654.31/89,200.06
6. Step 6: Final answer
   x = 97,697.72