Finding the Fourth Proportional to 238,316.04, 357,434.71 and 78,393.96

Step by Step Solution

1. Step 1: Write the proportion equation
   238,316.04 : 357,434.71 = 78,393.96 : x
2. Step 2: Convert to fraction form
   238,316.04/357,434.71 = 78,393.96/x
3. Step 3: Cross multiply
   238,316.04x = 357,434.71 × 78,393.96
4. Step 4: Simplify right side
   238,316.04x = 28,020,722,162.37
5. Step 5: Solve for x
   x = 28,020,722,162.37/238,316.04
6. Step 6: Final answer
   x = 117,578.00