Finding the Fourth Proportional to 385,002.84, 577,282.59 and 148,314.72

Step by Step Solution

1. Step 1: Write the proportion equation
   385,002.84 : 577,282.59 = 148,314.72 : x
2. Step 2: Convert to fraction form
   385,002.84/577,282.59 = 148,314.72/x
3. Step 3: Cross multiply
   385,002.84x = 577,282.59 × 148,314.72
4. Step 4: Simplify right side
   385,002.84x = 85,619,505,696.72
5. Step 5: Solve for x
   x = 85,619,505,696.72/385,002.84
6. Step 6: Final answer
   x = 222,386.69