Finding the Fourth Proportional to 127,196.21, 175,521.98 and 70,603.13

Step by Step Solution

1. Step 1: Write the proportion equation
   127,196.21 : 175,521.98 = 70,603.13 : x
2. Step 2: Convert to fraction form
   127,196.21/175,521.98 = 70,603.13/x
3. Step 3: Cross multiply
   127,196.21x = 175,521.98 × 70,603.13
4. Step 4: Simplify right side
   127,196.21x = 12,392,399,941.17
5. Step 5: Solve for x
   x = 12,392,399,941.17/127,196.21
6. Step 6: Final answer
   x = 97,427.43