Finding the Fourth Proportional to 13,826,047.55, 19,078,498.62 and 7,630,980.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,826,047.55 : 19,078,498.62 = 7,630,980.03 : x
2. Step 2: Convert to fraction form
   13,826,047.55/19,078,498.62 = 7,630,980.03/x
3. Step 3: Cross multiply
   13,826,047.55x = 19,078,498.62 × 7,630,980.03
4. Step 4: Simplify right side
   13,826,047.55x = 145,587,641,971,602.56
5. Step 5: Solve for x
   x = 145,587,641,971,602.56/13,826,047.55
6. Step 6: Final answer
   x = 10,529,953.81