Finding the Fourth Proportional to 1,111,406.54, 1,533,742.52 and 602,108.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,406.54 : 1,533,742.52 = 602,108.91 : x
2. Step 2: Convert to fraction form
   1,111,406.54/1,533,742.52 = 602,108.91/x
3. Step 3: Cross multiply
   1,111,406.54x = 1,533,742.52 × 602,108.91
4. Step 4: Simplify right side
   1,111,406.54x = 923,480,033,927.31
5. Step 5: Solve for x
   x = 923,480,033,927.31/1,111,406.54
6. Step 6: Final answer
   x = 830,911.11