Finding the Fourth Proportional to 78,429.42, 117,642.29 and 19,265.00

Step by Step Solution

1. Step 1: Write the proportion equation
   78,429.42 : 117,642.29 = 19,265.00 : x
2. Step 2: Convert to fraction form
   78,429.42/117,642.29 = 19,265.00/x
3. Step 3: Cross multiply
   78,429.42x = 117,642.29 × 19,265.00
4. Step 4: Simplify right side
   78,429.42x = 2,266,378,032.31
5. Step 5: Solve for x
   x = 2,266,378,032.31/78,429.42
6. Step 6: Final answer
   x = 28,897.04