Finding the Fourth Proportional to 77,196.72, 106,557.75 and 45,375.06

Step by Step Solution

1. Step 1: Write the proportion equation
   77,196.72 : 106,557.75 = 45,375.06 : x
2. Step 2: Convert to fraction form
   77,196.72/106,557.75 = 45,375.06/x
3. Step 3: Cross multiply
   77,196.72x = 106,557.75 × 45,375.06
4. Step 4: Simplify right side
   77,196.72x = 4,835,064,299.72
5. Step 5: Solve for x
   x = 4,835,064,299.72/77,196.72
6. Step 6: Final answer
   x = 62,633.03