Finding the Fourth Proportional to 77,559,009.18, 107,031,406.56 and 42,752,280.89

Step by Step Solution

1. Step 1: Write the proportion equation
   77,559,009.18 : 107,031,406.56 = 42,752,280.89 : x
2. Step 2: Convert to fraction form
   77,559,009.18/107,031,406.56 = 42,752,280.89/x
3. Step 3: Cross multiply
   77,559,009.18x = 107,031,406.56 × 42,752,280.89
4. Step 4: Simplify right side
   77,559,009.18x = 4,575,836,756,769,751
5. Step 5: Solve for x
   x = 4,575,836,756,769,751/77,559,009.18
6. Step 6: Final answer
   x = 58,998,133.23