Finding the Fourth Proportional to 165,026,411.55, 227,641,615.56 and 103,039,133.31

Step by Step Solution

1. Step 1: Write the proportion equation
   165,026,411.55 : 227,641,615.56 = 103,039,133.31 : x
2. Step 2: Convert to fraction form
   165,026,411.55/227,641,615.56 = 103,039,133.31/x
3. Step 3: Cross multiply
   165,026,411.55x = 227,641,615.56 × 103,039,133.31
4. Step 4: Simplify right side
   165,026,411.55x = 23,455,994,772,590,612
5. Step 5: Solve for x
   x = 23,455,994,772,590,612/165,026,411.55
6. Step 6: Final answer
   x = 142,134,792.56