Finding the Fourth Proportional to 78,133,017.90, 107,825,544.42 and 42,852,227.64

Step by Step Solution

1. Step 1: Write the proportion equation
   78,133,017.90 : 107,825,544.42 = 42,852,227.64 : x
2. Step 2: Convert to fraction form
   78,133,017.90/107,825,544.42 = 42,852,227.64/x
3. Step 3: Cross multiply
   78,133,017.90x = 107,825,544.42 × 42,852,227.64
4. Step 4: Simplify right side
   78,133,017.90x = 4,620,564,774,892,772
5. Step 5: Solve for x
   x = 4,620,564,774,892,772/78,133,017.90
6. Step 6: Final answer
   x = 59,137,159.92