Finding the Fourth Proportional to 58,789.71, 81,109.89 and 38,645.01

Step by Step Solution

1. Step 1: Write the proportion equation
   58,789.71 : 81,109.89 = 38,645.01 : x
2. Step 2: Convert to fraction form
   58,789.71/81,109.89 = 38,645.01/x
3. Step 3: Cross multiply
   58,789.71x = 81,109.89 × 38,645.01
4. Step 4: Simplify right side
   58,789.71x = 3,134,492,510.15
5. Step 5: Solve for x
   x = 3,134,492,510.15/58,789.71
6. Step 6: Final answer
   x = 53,317.03