Finding the Fourth Proportional to 83,368.72, 115,051.64 and 45,643.76

Step by Step Solution

1. Step 1: Write the proportion equation
   83,368.72 : 115,051.64 = 45,643.76 : x
2. Step 2: Convert to fraction form
   83,368.72/115,051.64 = 45,643.76/x
3. Step 3: Cross multiply
   83,368.72x = 115,051.64 × 45,643.76
4. Step 4: Simplify right side
   83,368.72x = 5,251,389,443.77
5. Step 5: Solve for x
   x = 5,251,389,443.77/83,368.72
6. Step 6: Final answer
   x = 62,989.93