Finding the Fourth Proportional to 12,830,870.60, 19,246,330.74 and 3,115,442.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830,870.60 : 19,246,330.74 = 3,115,442.84 : x
2. Step 2: Convert to fraction form
   12,830,870.60/19,246,330.74 = 3,115,442.84/x
3. Step 3: Cross multiply
   12,830,870.60x = 19,246,330.74 × 3,115,442.84
4. Step 4: Simplify right side
   12,830,870.60x = 59,960,843,300,204.89
5. Step 5: Solve for x
   x = 59,960,843,300,204.89/12,830,870.60
6. Step 6: Final answer
   x = 4,673,170.29