Finding the Fourth Proportional to 42,343,830.18, 63,520,994.07 and 12,054,055.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,343,830.18 : 63,520,994.07 = 12,054,055.14 : x
2. Step 2: Convert to fraction form
   42,343,830.18/63,520,994.07 = 12,054,055.14/x
3. Step 3: Cross multiply
   42,343,830.18x = 63,520,994.07 × 12,054,055.14
4. Step 4: Simplify right side
   42,343,830.18x = 765,685,565,067,393
5. Step 5: Solve for x
   x = 765,685,565,067,393/42,343,830.18
6. Step 6: Final answer
   x = 18,082,576.89