Finding the Fourth Proportional to 1,009,093.65, 1,392,543.59 and 556,384.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,093.65 : 1,392,543.59 = 556,384.65 : x
2. Step 2: Convert to fraction form
   1,009,093.65/1,392,543.59 = 556,384.65/x
3. Step 3: Cross multiply
   1,009,093.65x = 1,392,543.59 × 556,384.65
4. Step 4: Simplify right side
   1,009,093.65x = 774,789,877,931.89
5. Step 5: Solve for x
   x = 774,789,877,931.89/1,009,093.65
6. Step 6: Final answer
   x = 767,807.70