Finding the Fourth Proportional to 1,071,436.82, 1,478,536.23 and 588,009.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,436.82 : 1,478,536.23 = 588,009.98 : x
2. Step 2: Convert to fraction form
   1,071,436.82/1,478,536.23 = 588,009.98/x
3. Step 3: Cross multiply
   1,071,436.82x = 1,478,536.23 × 588,009.98
4. Step 4: Simplify right side
   1,071,436.82x = 869,394,064,932.95
5. Step 5: Solve for x
   x = 869,394,064,932.95/1,071,436.82
6. Step 6: Final answer
   x = 811,428.22