Finding the Fourth Proportional to 238,390.71, 357,585.72 and 60,897.78

Step by Step Solution

1. Step 1: Write the proportion equation
   238,390.71 : 357,585.72 = 60,897.78 : x
2. Step 2: Convert to fraction form
   238,390.71/357,585.72 = 60,897.78/x
3. Step 3: Cross multiply
   238,390.71x = 357,585.72 × 60,897.78
4. Step 4: Simplify right side
   238,390.71x = 21,776,176,507.70
5. Step 5: Solve for x
   x = 21,776,176,507.70/238,390.71
6. Step 6: Final answer
   x = 91,346.58