Finding the Fourth Proportional to 1,182,167.63, 1,631,393.15 and 672,870

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182,167.63 : 1,631,393.15 = 672,870 : x
2. Step 2: Convert to fraction form
   1,182,167.63/1,631,393.15 = 672,870/x
3. Step 3: Cross multiply
   1,182,167.63x = 1,631,393.15 × 672,870
4. Step 4: Simplify right side
   1,182,167.63x = 1,097,715,508,840.50
5. Step 5: Solve for x
   x = 1,097,715,508,840.50/1,182,167.63
6. Step 6: Final answer
   x = 928,561.64