Finding the Fourth Proportional to 91,099.94, 136,692.12 and 34,921.28

Step by Step Solution

1. Step 1: Write the proportion equation
   91,099.94 : 136,692.12 = 34,921.28 : x
2. Step 2: Convert to fraction form
   91,099.94/136,692.12 = 34,921.28/x
3. Step 3: Cross multiply
   91,099.94x = 136,692.12 × 34,921.28
4. Step 4: Simplify right side
   91,099.94x = 4,773,463,796.31
5. Step 5: Solve for x
   x = 4,773,463,796.31/91,099.94
6. Step 6: Final answer
   x = 52,398.10