Finding the Fourth Proportional to 83,428.82, 115,134.64 and 45,703.06

Step by Step Solution

1. Step 1: Write the proportion equation
   83,428.82 : 115,134.64 = 45,703.06 : x
2. Step 2: Convert to fraction form
   83,428.82/115,134.64 = 45,703.06/x
3. Step 3: Cross multiply
   83,428.82x = 115,134.64 × 45,703.06
4. Step 4: Simplify right side
   83,428.82x = 5,262,005,360.00
5. Step 5: Solve for x
   x = 5,262,005,360.00/83,428.82
6. Step 6: Final answer
   x = 63,071.79