Finding the Fourth Proportional to 1,538,429.22, 2,123,032.20 and 859,365.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,429.22 : 2,123,032.20 = 859,365.72 : x
2. Step 2: Convert to fraction form
   1,538,429.22/2,123,032.20 = 859,365.72/x
3. Step 3: Cross multiply
   1,538,429.22x = 2,123,032.20 × 859,365.72
4. Step 4: Simplify right side
   1,538,429.22x = 1,824,461,095,136.18
5. Step 5: Solve for x
   x = 1,824,461,095,136.18/1,538,429.22
6. Step 6: Final answer
   x = 1,185,924.62