Finding the Fourth Proportional to 1,788,018.57, 2,467,468.62 and 972,221.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788,018.57 : 2,467,468.62 = 972,221.58 : x
2. Step 2: Convert to fraction form
   1,788,018.57/2,467,468.62 = 972,221.58/x
3. Step 3: Cross multiply
   1,788,018.57x = 2,467,468.62 × 972,221.58
4. Step 4: Simplify right side
   1,788,018.57x = 2,398,926,240,336.82
5. Step 5: Solve for x
   x = 2,398,926,240,336.82/1,788,018.57
6. Step 6: Final answer
   x = 1,341,667.41