Finding the Fourth Proportional to 99,075,533.44, 136,728,778.56 and 55,022,734.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,075,533.44 : 136,728,778.56 = 55,022,734.72 : x
2. Step 2: Convert to fraction form
   99,075,533.44/136,728,778.56 = 55,022,734.72/x
3. Step 3: Cross multiply
   99,075,533.44x = 136,728,778.56 × 55,022,734.72
4. Step 4: Simplify right side
   99,075,533.44x = 7,523,191,311,296,504
5. Step 5: Solve for x
   x = 7,523,191,311,296,504/99,075,533.44
6. Step 6: Final answer
   x = 75,933,896.59