Finding the Fourth Proportional to 153,659, 212,049.42 and 83,003

Step by Step Solution

1. Step 1: Write the proportion equation
   153,659 : 212,049.42 = 83,003 : x
2. Step 2: Convert to fraction form
   153,659/212,049.42 = 83,003/x
3. Step 3: Cross multiply
   153,659x = 212,049.42 × 83,003
4. Step 4: Simplify right side
   153,659x = 17,600,738,008.26
5. Step 5: Solve for x
   x = 17,600,738,008.26/153,659
6. Step 6: Final answer
   x = 114,544.14