Finding the Fourth Proportional to 56,925,822.87, 78,556,697.78 and 30,820,131.99

Step by Step Solution

1. Step 1: Write the proportion equation
   56,925,822.87 : 78,556,697.78 = 30,820,131.99 : x
2. Step 2: Convert to fraction form
   56,925,822.87/78,556,697.78 = 30,820,131.99/x
3. Step 3: Cross multiply
   56,925,822.87x = 78,556,697.78 × 30,820,131.99
4. Step 4: Simplify right side
   56,925,822.87x = 2,421,127,794,124,039.50
5. Step 5: Solve for x
   x = 2,421,127,794,124,039.50/56,925,822.87
6. Step 6: Final answer
   x = 42,531,274.42