Finding the Fourth Proportional to 58,780.71, 81,097.47 and 38,636.01

Step by Step Solution

1. Step 1: Write the proportion equation
   58,780.71 : 81,097.47 = 38,636.01 : x
2. Step 2: Convert to fraction form
   58,780.71/81,097.47 = 38,636.01/x
3. Step 3: Cross multiply
   58,780.71x = 81,097.47 × 38,636.01
4. Step 4: Simplify right side
   58,780.71x = 3,133,282,661.89
5. Step 5: Solve for x
   x = 3,133,282,661.89/58,780.71
6. Step 6: Final answer
   x = 53,304.61