Finding the Fourth Proportional to 56,311,934.50, 77,710,469.61 and 30,557,822.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,311,934.50 : 77,710,469.61 = 30,557,822.50 : x
2. Step 2: Convert to fraction form
   56,311,934.50/77,710,469.61 = 30,557,822.50/x
3. Step 3: Cross multiply
   56,311,934.50x = 77,710,469.61 × 30,557,822.50
4. Step 4: Simplify right side
   56,311,934.50x = 2,374,662,736,734,024
5. Step 5: Solve for x
   x = 2,374,662,736,734,024/56,311,934.50
6. Step 6: Final answer
   x = 42,169,795.05