Finding the Fourth Proportional to 89,279,253.34, 123,218,816.28 and 54,492,158.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,279,253.34 : 123,218,816.28 = 54,492,158.80 : x
2. Step 2: Convert to fraction form
   89,279,253.34/123,218,816.28 = 54,492,158.80/x
3. Step 3: Cross multiply
   89,279,253.34x = 123,218,816.28 × 54,492,158.80
4. Step 4: Simplify right side
   89,279,253.34x = 6,714,459,303,877,785
5. Step 5: Solve for x
   x = 6,714,459,303,877,785/89,279,253.34
6. Step 6: Final answer
   x = 75,207,386.40