Finding the Fourth Proportional to 238,077.95, 328,496.24 and 137,417.63

Step by Step Solution

1. Step 1: Write the proportion equation
   238,077.95 : 328,496.24 = 137,417.63 : x
2. Step 2: Convert to fraction form
   238,077.95/328,496.24 = 137,417.63/x
3. Step 3: Cross multiply
   238,077.95x = 328,496.24 × 137,417.63
4. Step 4: Simplify right side
   238,077.95x = 45,141,173,465.77
5. Step 5: Solve for x
   x = 45,141,173,465.77/238,077.95
6. Step 6: Final answer
   x = 189,606.70