Finding the Fourth Proportional to 98,820,822.53, 136,372,748.02 and 54,770,665.33

Step by Step Solution

1. Step 1: Write the proportion equation
   98,820,822.53 : 136,372,748.02 = 54,770,665.33 : x
2. Step 2: Convert to fraction form
   98,820,822.53/136,372,748.02 = 54,770,665.33/x
3. Step 3: Cross multiply
   98,820,822.53x = 136,372,748.02 × 54,770,665.33
4. Step 4: Simplify right side
   98,820,822.53x = 7,469,226,140,980,123
5. Step 5: Solve for x
   x = 7,469,226,140,980,123/98,820,822.53
6. Step 6: Final answer
   x = 75,583,525.32