Finding the Fourth Proportional to 83,886.78, 125,907.93 and 42,362.94

Step by Step Solution

1. Step 1: Write the proportion equation
   83,886.78 : 125,907.93 = 42,362.94 : x
2. Step 2: Convert to fraction form
   83,886.78/125,907.93 = 42,362.94/x
3. Step 3: Cross multiply
   83,886.78x = 125,907.93 × 42,362.94
4. Step 4: Simplify right side
   83,886.78x = 5,333,830,084.11
5. Step 5: Solve for x
   x = 5,333,830,084.11/83,886.78
6. Step 6: Final answer
   x = 63,583.68