Finding the Fourth Proportional to 1,411,938.42, 2,118,776.86 and 558,864.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411,938.42 : 2,118,776.86 = 558,864.84 : x
2. Step 2: Convert to fraction form
   1,411,938.42/2,118,776.86 = 558,864.84/x
3. Step 3: Cross multiply
   1,411,938.42x = 2,118,776.86 × 558,864.84
4. Step 4: Simplify right side
   1,411,938.42x = 1,184,109,890,859.60
5. Step 5: Solve for x
   x = 1,184,109,890,859.60/1,411,938.42
6. Step 6: Final answer
   x = 838,641.31