Finding the Fourth Proportional to 77,820,321.96, 107,392,473.36 and 42,538,184.82

Step by Step Solution

1. Step 1: Write the proportion equation
   77,820,321.96 : 107,392,473.36 = 42,538,184.82 : x
2. Step 2: Convert to fraction form
   77,820,321.96/107,392,473.36 = 42,538,184.82/x
3. Step 3: Cross multiply
   77,820,321.96x = 107,392,473.36 × 42,538,184.82
4. Step 4: Simplify right side
   77,820,321.96x = 4,568,280,880,064,606
5. Step 5: Solve for x
   x = 4,568,280,880,064,606/77,820,321.96
6. Step 6: Final answer
   x = 58,702,929.58