Finding the Fourth Proportional to 79,219,667.60, 118,687,783.80 and 48,892,101.20

Step by Step Solution

1. Step 1: Write the proportion equation
   79,219,667.60 : 118,687,783.80 = 48,892,101.20 : x
2. Step 2: Convert to fraction form
   79,219,667.60/118,687,783.80 = 48,892,101.20/x
3. Step 3: Cross multiply
   79,219,667.60x = 118,687,783.80 × 48,892,101.20
4. Step 4: Simplify right side
   79,219,667.60x = 5,802,895,136,753,321
5. Step 5: Solve for x
   x = 5,802,895,136,753,321/79,219,667.60
6. Step 6: Final answer
   x = 73,250,687.77