Finding the Fourth Proportional to 1,538,951.42, 2,123,748.50 and 859,888.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,951.42 : 2,123,748.50 = 859,888.46 : x
2. Step 2: Convert to fraction form
   1,538,951.42/2,123,748.50 = 859,888.46/x
3. Step 3: Cross multiply
   1,538,951.42x = 2,123,748.50 × 859,888.46
4. Step 4: Simplify right side
   1,538,951.42x = 1,826,186,827,092.31
5. Step 5: Solve for x
   x = 1,826,186,827,092.31/1,538,951.42
6. Step 6: Final answer
   x = 1,186,643.58