Finding the Fourth Proportional to 91,069.47, 136,620.64 and 41,173.06

Step by Step Solution

1. Step 1: Write the proportion equation
   91,069.47 : 136,620.64 = 41,173.06 : x
2. Step 2: Convert to fraction form
   91,069.47/136,620.64 = 41,173.06/x
3. Step 3: Cross multiply
   91,069.47x = 136,620.64 × 41,173.06
4. Step 4: Simplify right side
   91,069.47x = 5,625,089,807.96
5. Step 5: Solve for x
   x = 5,625,089,807.96/91,069.47
6. Step 6: Final answer
   x = 61,767.02