Finding the Fourth Proportional to 1,060,548.72, 1,590,826.35 and 261,830.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060,548.72 : 1,590,826.35 = 261,830.37 : x
2. Step 2: Convert to fraction form
   1,060,548.72/1,590,826.35 = 261,830.37/x
3. Step 3: Cross multiply
   1,060,548.72x = 1,590,826.35 × 261,830.37
4. Step 4: Simplify right side
   1,060,548.72x = 416,526,651,826.25
5. Step 5: Solve for x
   x = 416,526,651,826.25/1,060,548.72
6. Step 6: Final answer
   x = 392,746.36