Finding the Fourth Proportional to 42,762,019.82, 59,060,302.67 and 28,987,069.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,762,019.82 : 59,060,302.67 = 28,987,069.10 : x
2. Step 2: Convert to fraction form
   42,762,019.82/59,060,302.67 = 28,987,069.10/x
3. Step 3: Cross multiply
   42,762,019.82x = 59,060,302.67 × 28,987,069.10
4. Step 4: Simplify right side
   42,762,019.82x = 1,711,985,074,610,393
5. Step 5: Solve for x
   x = 1,711,985,074,610,393/42,762,019.82
6. Step 6: Final answer
   x = 40,035,177.99