Finding the Fourth Proportional to 139,886.00, 193,036.64 and 79,456.46

Step by Step Solution

1. Step 1: Write the proportion equation
   139,886.00 : 193,036.64 = 79,456.46 : x
2. Step 2: Convert to fraction form
   139,886.00/193,036.64 = 79,456.46/x
3. Step 3: Cross multiply
   139,886.00x = 193,036.64 × 79,456.46
4. Step 4: Simplify right side
   139,886.00x = 15,338,006,702.23
5. Step 5: Solve for x
   x = 15,338,006,702.23/139,886.00
6. Step 6: Final answer
   x = 109,646.48