Finding the Fourth Proportional to 1,537,401.48, 2,121,474.42 and 858,213

Step by Step Solution

1. Step 1: Write the proportion equation
   1,537,401.48 : 2,121,474.42 = 858,213 : x
2. Step 2: Convert to fraction form
   1,537,401.48/2,121,474.42 = 858,213/x
3. Step 3: Cross multiply
   1,537,401.48x = 2,121,474.42 × 858,213
4. Step 4: Simplify right side
   1,537,401.48x = 1,820,676,926,411.46
5. Step 5: Solve for x
   x = 1,820,676,926,411.46/1,537,401.48
6. Step 6: Final answer
   x = 1,184,256.00