Finding the Fourth Proportional to 77,668,627.98, 107,184,978.98 and 42,388,695.91

Step by Step Solution

1. Step 1: Write the proportion equation
   77,668,627.98 : 107,184,978.98 = 42,388,695.91 : x
2. Step 2: Convert to fraction form
   77,668,627.98/107,184,978.98 = 42,388,695.91/x
3. Step 3: Cross multiply
   77,668,627.98x = 107,184,978.98 × 42,388,695.91
4. Step 4: Simplify right side
   77,668,627.98x = 4,543,431,480,102,962
5. Step 5: Solve for x
   x = 4,543,431,480,102,962/77,668,627.98
6. Step 6: Final answer
   x = 58,497,640.53