Finding the Fourth Proportional to 174,773.79, 261,978.89 and 118,618.46

Step by Step Solution

1. Step 1: Write the proportion equation
   174,773.79 : 261,978.89 = 118,618.46 : x
2. Step 2: Convert to fraction form
   174,773.79/261,978.89 = 118,618.46/x
3. Step 3: Cross multiply
   174,773.79x = 261,978.89 × 118,618.46
4. Step 4: Simplify right side
   174,773.79x = 31,075,532,484.31
5. Step 5: Solve for x
   x = 31,075,532,484.31/174,773.79
6. Step 6: Final answer
   x = 177,804.31