Finding the Fourth Proportional to 42,710,109.93, 64,076,085.32 and 12,417,972.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,710,109.93 : 64,076,085.32 = 12,417,972.93 : x
2. Step 2: Convert to fraction form
   42,710,109.93/64,076,085.32 = 12,417,972.93/x
3. Step 3: Cross multiply
   42,710,109.93x = 64,076,085.32 × 12,417,972.93
4. Step 4: Simplify right side
   42,710,109.93x = 795,695,092,902,040.50
5. Step 5: Solve for x
   x = 795,695,092,902,040.50/42,710,109.93
6. Step 6: Final answer
   x = 18,630,134.51