Finding the Fourth Proportional to 909,398.96, 1,254,953.98 and 501,538.52

Step by Step Solution

1. Step 1: Write the proportion equation
   909,398.96 : 1,254,953.98 = 501,538.52 : x
2. Step 2: Convert to fraction form
   909,398.96/1,254,953.98 = 501,538.52/x
3. Step 3: Cross multiply
   909,398.96x = 1,254,953.98 × 501,538.52
4. Step 4: Simplify right side
   909,398.96x = 629,407,761,797.31
5. Step 5: Solve for x
   x = 629,407,761,797.31/909,398.96
6. Step 6: Final answer
   x = 692,114.01