Finding the Fourth Proportional to 1,290,385.98, 1,934,144.73 and 973,816.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,385.98 : 1,934,144.73 = 973,816.38 : x
2. Step 2: Convert to fraction form
   1,290,385.98/1,934,144.73 = 973,816.38/x
3. Step 3: Cross multiply
   1,290,385.98x = 1,934,144.73 × 973,816.38
4. Step 4: Simplify right side
   1,290,385.98x = 1,883,501,819,364.68
5. Step 5: Solve for x
   x = 1,883,501,819,364.68/1,290,385.98
6. Step 6: Final answer
   x = 1,459,642.19