Finding the Fourth Proportional to 99,698,016.56, 137,583,453.24 and 55,044,075.04

Step by Step Solution

1. Step 1: Write the proportion equation
   99,698,016.56 : 137,583,453.24 = 55,044,075.04 : x
2. Step 2: Convert to fraction form
   99,698,016.56/137,583,453.24 = 55,044,075.04/x
3. Step 3: Cross multiply
   99,698,016.56x = 137,583,453.24 × 55,044,075.04
4. Step 4: Simplify right side
   99,698,016.56x = 7,573,153,924,404,892
5. Step 5: Solve for x
   x = 7,573,153,924,404,892/99,698,016.56
6. Step 6: Final answer
   x = 75,960,928.67